Appearance Summary: Rhinichthys cataractae is a small fish species with a slender body and a large head. It has a large, upturned mouth and a long snout. Its body is olive-green in color with a yellowish-brown stripe running along its back. Its fins are yellowish-brown and its tail is forked. It has a large eye with a black pupil and a black spot on its caudal peduncle. It has a large, fleshy, and protrusible upper lip. Its scales are small and cycloid.
Facial description: Rhinichthys cataractae has a large, oblong body with a small head and a large, terminal mouth. Its eyes are large and protrude from the head. Its body is covered in small scales and its fins are large and rounded. Its coloration is typically olive-brown with a yellowish underside. It has a dark stripe running along its sides and a dark spot at the base of its tail.
What are the distinct features of Great Lakes longnose dace? scaleless, olive-brown to yellowish-brown, small black spots on sides, small black spots on dorsal fin, small black spots on caudal fin, small black spots on anal fin, small black spots on pectoral fins, small black spots on pelvic fins, no vocalizations, bottom-dwelling, feeds on aquatic insects, larvae, and small crustaceans
What makes them unique?
Great Lakes longnose dace body color description: Olive green, brown, yellow, and black.
skin type: The exterior of Rhinichthys cataractae is smooth and slimy, with a mottled pattern of dark brown and olive green. Its scales are small and its fins are thin and transparent.
Strengths: Adaptability, Resilience, Ability to Reproduce Quickly, Ability to Withstand Extreme Temperatures, Ability to Withstand Low Oxygen Levels, Ability to Withstand High Salinity Levels
Weaknesses: Susceptibility to disease, Limited habitat range, Low reproductive rate, Poor dispersal ability, Sensitivity to environmental changes